Source code pops up on screens and in the background of television and movie scenes all the time, but one programmer finally paused a movie to figure out whether the code was accurate.

British programmer and writer John Graham-Cumming started a blog called Source Code in TV and Films on Jan. 3 after noticing that code used to reboot the futuristic space station in “Elysium” was actually taken from an instruction manual for Intel x86 processors.